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/*
* GStreamer
* Copyright (C) 2007 David Schleef <ds@schleef.org>
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _GST_GL_BASE_FILTER_H_
#define _GST_GL_BASE_FILTER_H_
#include <gst/base/gstbasetransform.h>
#include <gst/gl/gstgl_fwd.h>
G_BEGIN_DECLS
GST_GL_API
GType gst_gl_base_filter_get_type(void);
#define GST_TYPE_GL_BASE_FILTER (gst_gl_base_filter_get_type())
#define GST_GL_BASE_FILTER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_BASE_FILTER,GstGLBaseFilter))
#define GST_IS_GL_BASE_FILTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_BASE_FILTER))
#define GST_GL_BASE_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_BASE_FILTER,GstGLBaseFilterClass))
#define GST_IS_GL_BASE_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_BASE_FILTER))
#define GST_GL_BASE_FILTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_BASE_FILTER,GstGLBaseFilterClass))
/**
* GstGLBaseFilter:
* @display: the currently configured #GstGLDisplay
* @context: the currently configured #GstGLContext
* @in_caps: the currently configured input #GstCaps
* @out_caps: the currently configured output #GstCaps
*
* The parent instance type of a base GStreamer GL Filter.
*/
struct _GstGLBaseFilter
{
GstBaseTransform parent;
/*< public >*/
GstGLDisplay *display;
GstGLContext *context;
GstCaps *in_caps;
GstCaps *out_caps;
/*< private >*/
gpointer _padding[GST_PADDING];
GstGLBaseFilterPrivate *priv;
};
/**
* GstGLBaseFilterClass:
* @supported_gl_api: the logical-OR of #GstGLAPI's supported by this element
* @gl_start: called in the GL thread to setup the element GL state.
* @gl_stop: called in the GL thread to setup the element GL state.
* @gl_set_caps: called in the GL thread when caps are set on @filter.
* Note: this will also be called when changing OpenGL contexts
* where #GstBaseTransform::set_caps may not.
*
* The base class for GStreamer GL Filter.
*/
struct _GstGLBaseFilterClass
{
GstBaseTransformClass parent_class;
/*< public >*/
GstGLAPI supported_gl_api;
gboolean (*gl_start) (GstGLBaseFilter *filter);
void (*gl_stop) (GstGLBaseFilter *filter);
gboolean (*gl_set_caps) (GstGLBaseFilter *filter, GstCaps * incaps, GstCaps * outcaps);
/*< private >*/
gpointer _padding[GST_PADDING];
};
GST_GL_API
gboolean gst_gl_base_filter_find_gl_context (GstGLBaseFilter * filter);
GST_GL_API
GstGLContext * gst_gl_base_filter_get_gl_context (GstGLBaseFilter * filter);
G_END_DECLS
#endif /* _GST_GL_BASE_FILTER_H_ */
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